Table 3: The mean value and the root mean square of the V, B and Iresiduals of the common stars of contiguous chips.

Chips		rms		rms		rms
1-2	0.051	0.023	0.043	0.025	0.054	0.047
1-8	-0.006	0.027	0.033	0.072	0.009	0.020
2-3	0.005	0.036	0.004	0.055	-0.018	0.031
2-7	0.021	0.070	0.043	0.049	0.014	0.051
3-6	0.046	0.021	0.035	0.036	0.034	0.017
6-7	-0.032	0.029	-0.071	0.055	-0.023	0.026
7-8	-0.065	0.039	-0.015	0.043	-0.043	0.027